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      1 /**************************************************************************
      2  *
      3  * Copyright 2003 VMware, Inc.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 
     28  /*
     29   * Authors:
     30   *   Keith Whitwell <keithw (at) vmware.com>
     31   */
     32 
     33 
     34 #ifndef ST_ATOM_H
     35 #define ST_ATOM_H
     36 
     37 #include "main/glheader.h"
     38 
     39 struct st_context;
     40 
     41 /**
     42  * Enumeration of state tracker pipelines.
     43  */
     44 enum st_pipeline {
     45    ST_PIPELINE_RENDER,
     46    ST_PIPELINE_CLEAR,
     47    ST_PIPELINE_UPDATE_FRAMEBUFFER,
     48    ST_PIPELINE_COMPUTE,
     49 };
     50 
     51 void st_init_atoms( struct st_context *st );
     52 void st_destroy_atoms( struct st_context *st );
     53 void st_validate_state( struct st_context *st, enum st_pipeline pipeline );
     54 GLuint st_compare_func_to_pipe(GLenum func);
     55 
     56 enum pipe_format
     57 st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
     58                       GLboolean normalized, GLboolean integer);
     59 
     60 
     61 /* Define ST_NEW_xxx_INDEX */
     62 enum {
     63 #define ST_STATE(FLAG, st_update) FLAG##_INDEX,
     64 #include "st_atom_list.h"
     65 #undef ST_STATE
     66 };
     67 
     68 /* Define ST_NEW_xxx values as static const uint64_t values.
     69  * We can't use an enum type because MSVC doesn't allow 64-bit enum values.
     70  */
     71 #define ST_STATE(FLAG, st_update) static const uint64_t FLAG = 1ull << FLAG##_INDEX;
     72 #include "st_atom_list.h"
     73 #undef ST_STATE
     74 
     75 /* Declare function prototypes. */
     76 #define ST_STATE(FLAG, st_update) void st_update(struct st_context *st);
     77 #include "st_atom_list.h"
     78 #undef ST_STATE
     79 
     80 /* Combined state flags. */
     81 #define ST_NEW_SAMPLERS         (ST_NEW_VS_SAMPLERS | \
     82                                  ST_NEW_TCS_SAMPLERS | \
     83                                  ST_NEW_TES_SAMPLERS | \
     84                                  ST_NEW_GS_SAMPLERS | \
     85                                  ST_NEW_FS_SAMPLERS | \
     86                                  ST_NEW_CS_SAMPLERS)
     87 
     88 #define ST_NEW_FRAMEBUFFER      (ST_NEW_FB_STATE | \
     89                                  ST_NEW_SAMPLE_MASK | \
     90                                  ST_NEW_SAMPLE_SHADING)
     91 
     92 #define ST_NEW_VERTEX_PROGRAM(st, p) (p->affected_states | \
     93                                       (st_user_clip_planes_enabled(st->ctx) ? \
     94                                        ST_NEW_CLIP_STATE : 0))
     95 
     96 #define ST_NEW_CONSTANTS        (ST_NEW_VS_CONSTANTS | \
     97                                  ST_NEW_TCS_CONSTANTS | \
     98                                  ST_NEW_TES_CONSTANTS | \
     99                                  ST_NEW_FS_CONSTANTS | \
    100                                  ST_NEW_GS_CONSTANTS | \
    101                                  ST_NEW_CS_CONSTANTS)
    102 
    103 #define ST_NEW_UNIFORM_BUFFER   (ST_NEW_VS_UBOS | \
    104                                  ST_NEW_TCS_UBOS | \
    105                                  ST_NEW_TES_UBOS | \
    106                                  ST_NEW_FS_UBOS | \
    107                                  ST_NEW_GS_UBOS | \
    108                                  ST_NEW_CS_UBOS)
    109 
    110 #define ST_NEW_SAMPLER_VIEWS    (ST_NEW_VS_SAMPLER_VIEWS | \
    111                                  ST_NEW_FS_SAMPLER_VIEWS | \
    112                                  ST_NEW_GS_SAMPLER_VIEWS | \
    113                                  ST_NEW_TCS_SAMPLER_VIEWS | \
    114                                  ST_NEW_TES_SAMPLER_VIEWS | \
    115                                  ST_NEW_CS_SAMPLER_VIEWS)
    116 
    117 #define ST_NEW_ATOMIC_BUFFER    (ST_NEW_VS_ATOMICS | \
    118                                  ST_NEW_TCS_ATOMICS | \
    119                                  ST_NEW_TES_ATOMICS | \
    120                                  ST_NEW_FS_ATOMICS | \
    121                                  ST_NEW_GS_ATOMICS | \
    122                                  ST_NEW_CS_ATOMICS)
    123 
    124 #define ST_NEW_STORAGE_BUFFER   (ST_NEW_VS_SSBOS | \
    125                                  ST_NEW_TCS_SSBOS | \
    126                                  ST_NEW_TES_SSBOS | \
    127                                  ST_NEW_FS_SSBOS | \
    128                                  ST_NEW_GS_SSBOS | \
    129                                  ST_NEW_CS_SSBOS)
    130 
    131 #define ST_NEW_IMAGE_UNITS      (ST_NEW_VS_IMAGES | \
    132                                  ST_NEW_TCS_IMAGES | \
    133                                  ST_NEW_TES_IMAGES | \
    134                                  ST_NEW_GS_IMAGES | \
    135                                  ST_NEW_FS_IMAGES | \
    136                                  ST_NEW_CS_IMAGES)
    137 
    138 #define ST_ALL_SHADER_RESOURCES (ST_NEW_SAMPLER_VIEWS | \
    139                                  ST_NEW_SAMPLERS | \
    140                                  ST_NEW_CONSTANTS | \
    141                                  ST_NEW_UNIFORM_BUFFER | \
    142                                  ST_NEW_ATOMIC_BUFFER | \
    143                                  ST_NEW_STORAGE_BUFFER | \
    144                                  ST_NEW_IMAGE_UNITS)
    145 
    146 /* All state flags within each group: */
    147 #define ST_PIPELINE_RENDER_STATE_MASK  (ST_NEW_CS_STATE - 1)
    148 #define ST_PIPELINE_COMPUTE_STATE_MASK (0xffull << ST_NEW_CS_STATE_INDEX)
    149 #define ST_PIPELINE_CLEAR_STATE_MASK (ST_NEW_FB_STATE | \
    150                                       ST_NEW_SCISSOR | \
    151                                       ST_NEW_WINDOW_RECTANGLES)
    152 /* For ReadPixels, ReadBuffer, GetSamplePosition: */
    153 #define ST_PIPELINE_UPDATE_FB_STATE_MASK (ST_NEW_FB_STATE)
    154 
    155 #define ST_ALL_STATES_MASK (ST_PIPELINE_RENDER_STATE_MASK | \
    156                             ST_PIPELINE_COMPUTE_STATE_MASK)
    157 
    158 #endif
    159